Tight Quarters Navy Lt. Don Walsh and explorer Jacques Piccard sit inside the Trieste, the submersible they used to descend to the Challenger Deep — the deepest spot in the world’s oceans — in 1960. The feat was not repeated again until 2012, when movie director James Cameron returned to the same spot in a small submarine. SHARE IMAGE: Download Image: Full Size (0.02 MB) Photo By: Navy Photo VIRIN: 600110-N-ZZ999-924.JPG Photo Gallery